| 8100436 |
Data support with an optically variable structure |
Astrid Heine, Christof Baldus, Karlheinz Mayer, Peter Franz |
2012-01-24 |
| 7686341 |
Data carrier, method for the production thereof and gravure printing plate |
Reinhard Plaschka, Karlheinz Mayer, Peter Franz |
2010-03-30 |
| 7630954 |
Data carrier comprising an optically variable element |
Peter Franz |
2009-12-08 |
| 7357077 |
Data carrier, method for the production thereof and gravure printing plate |
Reinhard Plaschka, Karlheinz Mayer, Peter Franz |
2008-04-15 |
| 7311043 |
Data carrier with a printed security element and gravure production method thereof |
Karlheinz Mayer, Peter Franz, Eckhard Braun |
2007-12-25 |
| 7104193 |
Gravure printing plate and valuable document produced by the same |
— |
2006-09-12 |
| 7028615 |
Gravure process for printing adjacent color surfaces with various color coating thicknesses |
Karlheinz Mayer, Eduard Wisjak, Peter Franz |
2006-04-18 |
| 6928925 |
Gravure process for printing adjacent color surfaces with various color coating thicknesses |
Karlheinz Mayer, Eduard Wisjak, Peter Franz |
2005-08-16 |
| 6712397 |
Embossed data carrier |
Karlheinz Mayer, Eduard Wisjak, Christof Baldus |
2004-03-30 |